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242412144 = 24313388481
BaseRepresentation
bin11100111001011…
…10101001110000
3121220010210221120
432130232221300
5444024142034
640015422240
76002316642
oct1634565160
9556123846
10242412144
11114920917
1269224980
133b2b6a50
14242a2892
1516435c49
hexe72ea70

242412144 has 40 divisors (see below), whose sum is σ = 674404752. Its totient is φ = 74588160.

The previous prime is 242412143. The next prime is 242412151. The reversal of 242412144 is 441214242.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242412143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193617 + ... + 194864.

Almost surely, 2242412144 is an apocalyptic number.

242412144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

242412144 is an abundant number, since it is smaller than the sum of its proper divisors (431992608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242412144 is a wasteful number, since it uses less digits than its factorization.

242412144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388505 (or 388499 counting only the distinct ones).

The product of its digits is 2048, while the sum is 24.

The square root of 242412144 is about 15569.5903606999. The cubic root of 242412144 is about 623.5215349301.

Adding to 242412144 its reverse (441214242), we get a palindrome (683626386).

It can be divided in two parts, 242412 and 144, that added together give a triangular number (242556 = T696).

The spelling of 242412144 in words is "two hundred forty-two million, four hundred twelve thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 39 48 52 78 104 156 208 312 624 388481 776962 1165443 1553924 2330886 3107848 4661772 5050253 6215696 9323544 10100506 15150759 18647088 20201012 30301518 40402024 60603036 80804048 121206072 242412144